Four of Your Students Submitted an Entry to a Writing

question 52

Essay

Four of your students submitted an entry to a writing contest.A total of 24 entries were submitted.Six of the entries will move on to the next round.
a.What is the probability that all four of your students will move on to the next round?
b.How many of your students are expected to move to the next round?
c.What is the probability that fewer of your students than expected will make it to the next round than expected?

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Definitions:

Toxins

Poisonous substances produced by living organisms, often used as defense mechanisms against predators or to incapacitate prey.

Fossilization

The process by which organic materials are preserved in the Earth's crust over geological time, becoming fossils.

Minerals

Naturally occurring inorganic substances with a definite chemical composition and crystalline structure, vital for various biological and industrial processes.

Sediment

Particulate material that is transported and deposited by wind, water, or ice, often forming layers on the Earth's surface.